Suppose we knew that there were 8.170 x 1023 atoms of O in an unknown sample of KMnO4. How many grams would the unknown sample weigh in? Answer in standard notation.

Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line

Salt in oceans comes from and of rocks

Atoms contain subatomic particles called protons and neutrons. when these protons and neutrons spilt, a lot of energy is released